Zhifeng

Zhifeng Chen, Vista, CA US

Patent application number

Description

Published

20100081575

Methods for creating diversity in libraries and libraries, display vectors and methods, and displayed molecules - Provided herein are methods for generating diverse polypeptide and nucleic acid molecule libraries and collections, and the collections and libraries; methods for selecting variant polypeptides and nucleic acid molecules from the libraries; and molecules selected from the libraries. Exemplary of the polypeptides and nucleic acid molecules are antibodies and nucleic acids encoding the antibodies (including antibody fragments and domain exchanged antibodies). Also provided herein are methods of displaying polypeptides such as antibodies, for example on the surface of genetic packages, such as phage; and libraries and collections of the displayed polypeptides and vectors for producing the displayed polypeptides, libraries and collections. Exemplary of the displayed antibodies are domain exchanged antibodies.

04-01-2010

20100093563

Methods and vectors for display of molecules and displayed molecules and collections - Provided herein are methods for generating diverse polypeptide and nucleic acid molecule libraries and collections, and the collections and libraries; methods for selecting variant polypeptides and nucleic acid molecules from the libraries; and molecules selected from the libraries. Exemplary of the polypeptides and nucleic acid molecules are antibodies and nucleic acids encoding the antibodies (including antibody fragments and domain exchanged antibodies). Also provided herein are methods of displaying polypeptides such as antibodies, for example on the surface of genetic packages, such as phage; and libraries and collections of the displayed polypeptides and vectors for producing the displayed polypeptides, libraries and collections. Exemplary of the displayed antibodies are domain exchanged antibodies.

04-15-2010

20110033389

Modified antibodies for passive immunotherapy - Provided herein are modified therapeutic antibodies containing a protein transduction domain conjugated to a neutralizing antibody. Also provided are methods for generating the modified therapeutic antibodies and methods of using the modified therapeutic antibodies for prevention and treatment of disease.

METHOD AND SYSTEM FOR ESTABLISHING MEDIA CHANNEL BASED ON RELAY - The disclosure discloses a method and a system for establishing a media channel based on relay. The method comprises: during a session negotiation process between a first User Equipment (UE) and a second UE, a media relay control server allocating a first service identifier and a second service identifier, transmitting the first service identifier to the first UE, transmitting the second service identifier to the second UE, and transmitting the first service identifier and the second service identifier to a media relay device; the media relay device receiving the service identifiers reported by the first UE and the second UE; the media relay device verifying, according to the first service identifier and the second identifier transmitted by the media relay control server, the service identifiers reported by the first UE and the second UE, and establishing a media channel between the first UE and the second UE if the verification is passed. Through this disclosure, the security of connections between network nodes is improved.

05-30-2013

Zhifeng Chen, Shenzhen City CN

Patent application number

Description

Published

20120278379

Relay Node, Distributed Network of Relay Node and Networking Method Thereof - A relay node, a distributed network of a relay node and a networking method thereof are provided by the present invention, which can manage and select the relay node efficiently. The networking method of the distributed network of the relay node includes: a relay node joining in a distributed peer-to-peer network with its own home domain information being carried, and constructing a local route table; the relay node, according to a pre-obtained neighbor home domain information of a present node, searching the local route table of the present node or searching the local route table of the present node and the local route table of other relay node for the relay node in a neighbor home domain, and constructing a candidate relay node list of the neighbor home domain.

11-01-2012

Zhifeng Chen, San Diego, CA US

Patent application number

Description

Published

20130195204

Methods and Systems for Video Delivery Supporting Adaptation to Viewing Conditions - Described herein are methods and systems associated with viewing condition adaption of multimedia content. A method for receiving multimedia content with a device from a network may include determining a viewing parameter, transmitting a request for the multimedia content to the network, whereby the request may be based on the viewing parameter, and receiving the multimedia content from the network, whereby the multimedia content may be processed at a rate according to the viewing parameter. The viewing parameter may include at least one of: a user viewing parameter, a device viewing parameter, or a content viewing parameter. The method may further include receiving a multimedia presentation description (MPD) file from the network. The MPD file may include information relating to the rate of the multimedia content and information relating to the rate may include a descriptor relating to the viewing parameter, whereby the descriptor may be required or optional.

SYSTEM AND METHOD FOR ERROR-RESILIENT VIDEO CODING - Error resilient video coding schemes that may be employed at a transmitter or transcoder to limit error propagation at the receiver. Embodiments may include the use of Inhomogeneous Temporal Multiple Description Coding (ITMDC), cross-description error concealment, and cross-description reference picture reset (RPS) as well as homogeneous and inhomogeneous temporal/spatial MDC.

10-24-2013

20130282917

METHOD AND APPARATUS FOR SMOOTH STREAM SWITCHING IN MPEG/3GPP-DASH - A method and apparatus for providing smooth stream switching in video and/or audio encoding and decoding may be provided. Smooth stream switching may include the generation and/or display of one or more transition frames that may be utilized between streams of media content encoded at different rates. The transition frames may be generated via crossfading and overlapping, crossfading and transcoding, post-processing techniques using filtering, post-processing techniques using re-quantization, etc. Smooth stream switching may include receiving a first data stream of media content characterized by a first signal-to-noise ratio (SNR) and a second data stream of the media content characterized by a second SNR. Transition frames may be generated using at least one of frames of the first data stream and frames of the second data stream. The transition frames may be characterized by one or more SNR values that are between the first SNR and the second SNR.

10-24-2013

20130315124

SCALABLE VIDEO CODING OVER SIMULTANEOUS UNICAST/MULTICAST LTE DL SHARED CHANNEL - Embodiments contemplate devices and techniques for receiving unicast and multicast transmissions over a downlink (DL) shared channel in parallel, for example an LTE DL shared channel (SCH). For example, one or more hybrid automatic repeat request (HARQ) entities may be configured to perform retransmissions of the multicast and/or unicast messages. Common and/or dedicated (e.g., separate) HARQ entities may be utilized for retransmission. The multicast downlink shared channels may be activated and/or deactivated on demand. The activation and/or deactivation may be performed using radio resource control (RRC) signaling and/or Medium Access Control (MAC) signaling. The multicast and/or unicast downlink shared channel data may include scalable video coding (SVC) data of varying priority. Embodiments also contemplate the use of simultaneous (e.g. parallel) multicast/unicast for scalable video coding transmission over WiFi/802.11 protocol signals.

11-28-2013

20140019593

QUALITY-DRIVEN STREAMING - Quality-based optimizations of a delivery process of streaming content may be enabled. The optimization may take the form of quality-based switching. To enable quality-based switching in a streaming client, the client may have access to information about the quality of an encoded segment and/or sub-segment. Quality-related information may include any number of added quality metrics relating to an encoded segment and/or sub-segment of an encoded video stream. The addition of quality-related information may be accomplished by including the quality-related information in a manifest file, including the quality-related information in segment indices stored in a segment index file, and/or providing additional files with quality-related segment information and providing a link to the information from an MPD file. Upon receiving the quality-related information, the client may request and receive a stream that has a lower bitrate, thereby saving bandwidth while retaining quality of the streaming content.

01-16-2014

Zhifeng Li, Westford, MA US

Patent application number

Description

Published

20090163637

Filler system including densed fumed metal oxide - A curable coating composition includes a polymer precursor and at least 6% by weight of a densed fumed metal oxide having a DBP number of at least 65% of the DBP number of an undensed fumed metal oxide of the same composition, surface area, and surface chemistry. The curable coating composition is at most 70% as viscous as a composition having the same components and the same weight fraction of the undensed fumed metal oxide.

06-25-2009

20100216911

Method of Preparing a Nanoparticle Dispersion of a Modified Metal Oxide - The present invention relates to a method of preparing polymer compositions comprising modified metal oxides in a polymer wherein a nanoparticle dispersion of a metal oxide in a non-aqueous solvent is combined with at least one coupling agent to form a nanoparticle dispersion of a modified metal oxide in the non-aqueous solvent. The nanoparticle dispersion is then combined with a polymer followed by the removal of the non-aqueous solvent or, alternatively, combined with a monomer, which is polymerized to form the polymer and removal of the solvent, in any order. Also disclosed are polymer compositions prepared by this method.

Zhifeng Li, Shenzhen CN

Patent application number

Description

Published

20150052509

ASSOCIATED PLUG-IN MANAGEMENT METHOD, DEVICE AND SYSTEM - An associated plug-in management method, device, and system are provided. A first associated plug-in and a second component that uses the first associated plug-in are determined by obtaining description information of the first associated plug-in and information about the second component that uses the associated plug-in, where the description information of the first associated plug-in and the information about the second component are provided by a first component; and then, based on the information about the second component and the description information of the first associated plug-in, the first associated plug-in is installed onto a device on which the second component is located. Thus decoupling during deployment of components related to an associated plug-in is implemented.

Zhifeng Liu, Carlisle, MA US

Patent application number

Description

Published

20140326909

PRESSURE-BALANCED CONTROL VALVES - Embodiments of the present disclosure are directed to pressure balanced solenoid control valve for high flow and/or high pressure control applications. An all-sealed integrally formed element functions as both the bellows and spring and is used as a replacement for the combination of both the individual bellows and spring found in existing pressure balanced control valves. The single bellows spring provides a spring force on the movable valve plug and separates opposite sides of the valve plug, wherein a gas passageway is provided between opposite sides of the valve plug so that gas provided at the inlet will flow to opposite sides of the valve plug so as to cancel any pressure forces provided on opposite sides of the valve plug by the pressure of the inlet gas.

11-06-2014

Zhifeng Wang, Shanghai CN

Patent application number

Description

Published

20140293962

CELL HANDOVER METHOD, BASE STATION, AND COMMUNICATION SYSTEM - Embodiments of the present invention provide a cell handover method, a base station, and a communication system. The method includes: determining, by a source base station, to hand over a terminal from a cell of the source base station to a cell of a target base station; acquiring, by the source base station, a wireless resource, where the wireless resource is used to carry a handover request sent to the terminal; sending, by the source base station, a first message to a first base station, where the first message includes the wireless resource and the first message is used to instruct the first base station to avoid occupying the wireless resource; and sending, by the source base station, the handover request to the terminal, so as to hand over the terminal to the cell of the target base station.

10-02-2014

20140295818

Method, Base Station, and Network System for Automatic X2 Configuration Deletion - Embodiments of the present invention disclose a method, a base station, and a network system for automatic X2 configuration deletion, where implementation of the method includes: acquiring, by a first base station, neighboring-cell configuration data of a second base station; determining, by the first base station according to neighboring-cell configuration data of the first base station and the neighboring-cell configuration data of the second base station, whether a neighboring-cell relationship exists between the first base station and the second base station; and if no neighboring-cell relationship exists between the first base station and the second base station, deleting X2 configuration data corresponding to an X2 interface between the first base station and the second base station. The foregoing solution implements automatic deletion of redundant X2 configuration data and does not require that the first base station and the second base station be managed by a same network management system.

10-02-2014

Zhifeng Wang, Beijing CN

Patent application number

Description

Published

20090023395

PASSIVE INTERFACE AND SOFTWARE CONFIGURATION FOR PORTABLE DEVICES - A universal passive interface for connecting external systems to smart devices such as cell phones and PDAs. The passive system includes a cradle for receiving a compatible smart device that connects the functionality of the smart device to a wide variety of external systems (e.g., printers, large display, input devices, etc.). The passive interface includes a USB hub, network port, and other common connector ports for peripherals and other systems. The smart device can connect to the passive system via the cradle slot, a tether, and/or wirelessly. The external systems to which the passive system serves at the interface to the smart device include, but are not limited to, large displays (e.g., television), external monitors, input devices such as mice and keyboards, external storage devices, and networks (wired and/or wireless). A wizard allows the user to configure the external systems to work with the smart device.

01-22-2009

20100314289

CATALYTIC CRACKING PROCESS FOR REDUCING SULFUR CONTENT IN GASOLINE AND THE DEVICE THEREOF - The invention relates to a catalytic cracking process for reducing sulfur content in gasoline and the device thereof, which includes a fluidized bed reactor in addition of a heavy oil catalytic cracking riser, characterized in enhancing contact time of oil-gas with the catalyst, further desulfurizing and reducing olefin content and increasing octane number in gasoline; regenerating all recycling catalysts, quality of products being stable and easily operated, reducing sulfur of gasoline to a maximum limit; adding a cooling device so as to avoid coking when the catalyst contacts with oil-gas in high temperature and decrease of yield of light oil resulted by excessively high reaction temperature of gasoline upgrading, improving products distribution, being flexible to change catalyst-oil ratio and reaction temperature of catalytic cracking reaction. The invention also provides an easily operated process for FCC desulfurization with stronger desulfurizing ability, good selectivity of products and high light oil yield, which can realize 40-80% of FCC gasoline desulfurization. Furthermore, more than 80% of FCC gasoline desulfurization can be achieved if the process is applied in combination with some particular catalysts.

PROBE RESPONSE SUPPORTED WIRELESS AUTOCONNECTION - Computing devices can autoconnect to access points even if they have not previously received authentication information for those access points. A computing device broadcasts a probe request, comprising a request for authentication information. An access point receiving such a probe request generates a probe response that provides authentication information that the computing device can then utilize to establish a useful communication connection to the access point. The provided authentication information can be either encrypted or unencrypted, and can be encrypted for specific users or specific computing devices. Dedicated application programs can decrypt encrypted authentication information, thereby enabling autoconnecting, while also delivering targeted information to users of the autoconnecting computing devices from a retailer hosting the access point. Authentication information for a “landing page” can be provided to a web browser to enable autoconnection.

12-06-2012

Patent applications by Zhifeng Wang, Beijing CN

Zhifeng Xiao, Beijing CN

Patent application number

Description

Published

20150050733

REPROGRAMMING CELLS BY THREE-DIMENSIONAL CULTIVATION - Methods for reprogramming cells by culturing the cells under a condition that allows formation of a three-dimensional cell aggregate are provided. The cells and cell aggregates obtained using the methods are also provided.

02-19-2015

Zhifeng Yang, Beijing CN

Patent application number

Description

Published

20120078715

ADVERTISING SERVICE BASED ON CONTENT AND USER LOG MINING - A system and method are disclosed for providing documents related to a search request. The search request may include a search query of one or more keywords, or the search request may be a demographic search query including one or more demographic attributes. An index containing data crawled from publisher's websites, demographic information of registered users, along with the search history of the registered users can be created. Once a search request is received, the search request can be compared to the information stored in the index, and one or more documents related to the request can be provided.

03-29-2012

20130021738

Information Processing Device - An information processing device that includes a first housing for accommodating a calculating means; a second housing for accommodating a display means; a third housing for accommodating an input means and a power supply means; a first connection means for connecting the first housing with the third housing; and a second connection means for connecting the second housing with the third housing.

01-24-2013

20140049909

Information Processing Equipment - An information processing equipment is described. The equipment includes: a first shell being configured to contain an arithmetic unit, a second shell being configured to contain a display unit, a third shell being configured to contain an input unit, a first connect unit being configured to separately connect the second shell and the third shell; and a second connect unit being configured to separately connect the first shell with the third shell. When the first shell, the second shell and the third shell are separated from each other, the display unit wirelessly exchanges data with the arithmetic unit and the input unit wirelessly exchanges data with the arithmetic unit.

02-20-2014

20140210832

DATA TRANSMISSION METHOD AND ELECTRONIC DEVICE - Embodiments of the present invention provide a data transmission method and an electronic device. A first electronic device has a display unit and a second electronic device has a processing unit. The first electronic device and the second electronic device communicate data with each other wirelessly. The first electronic device receives data transmitted from the second electronic device for displaying on the display unit. The display unit of the first electronic device displays at a first display frame rate a data transmitted from the second electronic device in a first mode. The first electronic device transmits, upon detecting a first trigger event, information associated with the first trigger event to the second electronic device. The first electronic device receives and displays a data transmitted from the second electronic device in a second mode. These two electronic devices can be automatically switched between the two display frame rates and the two modes in response to the first trigger event. One of the first and second display frame rates has a lower power consumption than the other. Therefore, the power consumptions of the first and second electronic devices can be reduced.

07-31-2014

Patent applications by Zhifeng Yang, Beijing CN

Zhifeng Zhang, Burnaby CA

Patent application number

Description

Published

20140297828

VISUALIZATION FOR MANAGING MULTIPLE IP ADDRESS MANAGEMENT SYSTEMS - Visualization for managing multiple IP address management systems is provided. In some embodiments, visualization for managing multiple IP address management systems for an IP address management manager system includes communicating with a plurality of IP address management systems to determine IP address management information managed by each of the IP address management systems; and generating a graphical visualization of an IP address space managed by the plurality of IP address management systems based on the IP address management information managed by each of the IP address management systems, in which the graphical visualization of the IP address space managed by the plurality of IP address management systems indicates any gaps or overlaps in the IP address space managed by the plurality of IP address management systems.

10-02-2014

Zhifeng Zhang, Shenzhen CN

Patent application number

Description

Published

20080198976

METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING RINGBACK TONE SERVICE - A method for implementing the ringback tone (RBT) service based on the next generation network (NGN) includes: an application server (AS) receives from a softswitch (SX) a call request initiated by a ring-to-me subscriber, which carries a ring-to-me access code; the AS obtains the ring-to-me tone ID from the RBT platform according to the ring-to-me access code and instructs a media resource server (MRS) to play the tone indicated by the ring-to-me tone ID to the calling party. Various embodiments disclose a system, an AS and an MRS for implementing RBT based on NGN. The present disclosure enables a calling party to listen to a ring-to-me tone while the called party is alerted and further, it enables the calling party to choose to listen to a ring-to-me tone or a ring-to-you tone according to the calling party's precedence setting.

08-21-2008

20080212483

METHOD AND APPARATUS FOR END-TO-END LINK DETECTION AND POLICY ROUTING SWITCHING - In a method for end-to-end link detection, a link state of a first network device is bound to a reliability detection mechanism session established between the first network device and a second network device, and the first network device detects the link state of the first network device and notifies the second network device of the link state of the first network device through the reliability detection mechanism session. In a method for policy routing switching, the second network device records received link state information of the first network device, configures a relation between a policy routing and a link. The second network device determines a link corresponding to a selected policy routing, and switches a policy routing according to the state of the link. Apparatuses corresponding to the methods also provided. The methods and apparatuses can implement the end-to-end link detection, and initiate switching in time.

09-04-2008

Zhifeng Zhang, Princeton Junction, NJ US

Patent application number

Description

Published

20100262439

System And Method For Pricing Default Insurance - A system for modeling a basket of securities containing a plurality of securities is provided and includes a default/recovery model database for storing default/recovery data regarding the plurality of securities. Also included is a default simulation engine for calculating a default time for at least one of the plurality of securities based on the default/recovery data. Finally, a cash flow engine is included for generating cash flows for the basket of securities based on the default times.